SKU: SKU:824CalWallCap
California Gold Series: 8" x 24" Natural Slate Wall Cap
California Gold Series: 8" x 24" Natural Slate Wall Cap
(1.33 sq.ft.)
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*We recommend adding an additional 15% to your overall square footage calculations to ensure you have enough coverage for waste and reserve during the installation process.
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Total price: $24.25
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This is the "Linear Guardian" of the collection. While the square column caps provide a massive, centered crown, the California Gold 8 x 24 Wall Cap serves as the rhythmic, protective spine of your hardscape. It is the premier choice for a "Rustic Estate" or "Western Ranch" aesthetic, prioritizing a slender, elongated profile that creates a continuous, hand-hewn "roof" for your stone walls.
PRODUCT TITLE
California Gold Series: 8" x 24" Natural Slate Wall Cap
PRODUCT DESCRIPTION
Seal your masonry walls with the vibrant, geological character of the California Gold Wall Cap. This 2-inch thick slate plank is a masterclass in organic color, featuring a high-variation tapestry of ochre, rusted copper, and deep charcoal, punctuated by flashes of sage and silver. Unlike synthetic caps, these colors are embedded deep within the stone's mineral structure, ensuring they will never fade under UV exposure.
The 8x24 Wall Cap is engineered for both protection and style. Its "natural cleft" surface provides an authentic, slip-resistant texture that mimics the rugged ridges of a split-stone cliff. With Double-Sided Chiseled (Rockface) edges, this cap is designed to be viewed from both sides of a wall, making it the perfect choice for double-sided garden walls, planter boxes, and low-profile retaining walls. At 24 inches long, it significantly reduces the number of joints, creating a cleaner, more professional horizon line across your landscape.
KEY FEATURES
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High-Variation "Sunset" Palette: A stunning mix of gold, rust, and slate grey that coordinates perfectly with "Rustic Gold" ledger panels and outdoor flagstone.
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Double-Sided Rockface Edges: Features hand-chiseled edges on the two long (24") sides, allowing the cap to finish walls that are visible from both the front and back.
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Functional 2-Inch Thickness: Provides the visual weight and structural mass required to anchor a high-end masonry wall while protecting the interior structure from water damage.
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Natural Cleft Surface: The split-face finish preserves the authentic texture of the stone, providing a rugged look that naturally diffuses harsh sunlight.
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Multi-Use Versatility: While designed as a wall cap, the 8x24 size also functions beautifully as a heavy-duty stair tread or a transition sill for outdoor kitchens.
SPECIFICATIONS
| Collection | MSI California Gold (Slate) |
| Material | Natural Cleft Slate |
| Size | 8" Wide x 24" Long |
| Thickness | 2" (50 mm) |
| Edge Finish | 2-Sided Rockface / Chiseled (Long Sides) |
| Weight | Approx. 32.00 Lbs per piece |
| Application | Retaining Wall Tops / Planter Boxes / Pool Coping / Stair Treads |
| Look | Rustic / Earthy / Linear / Multi-Color |
INSTALLATION REQUIREMENTS
⚠️ CRITICAL: Water is the enemy of stone walls. When installing these caps, ensure a one-inch overhangon both sides of the wall. This allows rainwater to "drip" away from the stone veneer below, preventing white mineral staining (efflorescence) and moisture damage to the wall’s internal structure.
Manufacturer Recommendations:
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Recommended Adhesive: Use a polymer-modified Large-and-Heavy-Tile (LHT) mortar. The 32-lb weight of each cap requires a thick, non-sag bond to remain level.
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Grouting the Seams: Fill the vertical joints between caps with a color-matched sanded grout or a bead of professional-grade stone sealant to prevent water from seeping into the wall core.
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Sealing: Apply a penetrating, color-enhancing stone sealer after installation to deepen the copper and gold tones and provide an invisible shield against moisture.
FREQUENTLY ASKED QUESTIONS
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Is this a good size for a seat wall? At 8 inches wide, it is best suited as a decorative cap or a planter border. For a comfortable seating wall, we recommend the 12x24 or 16x24 sizes, which provide a wider surface for sitting.
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Does it match the 21x21 Column Caps? Yes. These are part of the same "California Gold" series. Using them together creates a cohesive, high-end look where the wall caps lead perfectly into the larger column caps.
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Can I use this for a pool edge? Yes. Slate is naturally slip-resistant, making this an excellent choice for a rustic pool coping, though we recommend a thorough sealing to protect against chlorine or salt.
PRO INSTALLATION TIPS
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The "Drip Edge" Secret: Before setting the stone, have your installer use a grinder with a diamond blade to cut a shallow 1/4" groove on the underside of the overhanging edges. This "drip groove" stops water from traveling back toward the wall.
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Avoid the "V-Joint": When cutting the caps to fit a curved wall, always cut the sides at a slight angle (miter) so the pieces fit together snugly without leaving large, V-shaped gaps to fill with grout.
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Color Blending: Open at least three crates at a time. Natural slate has high variation; mix the "darker grey" pieces with the "bright gold" pieces to ensure a balanced, artistic distribution of color along the wall.
Shade Variation
Shade Variation
Colors and textures may vary slightly between tile batches due to natural manufacturing variations. For a clear representation, we recommend ordering a sample. Learn more.

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Processing & Shipping
- Orders take 48 hours to process and about a week to be delivered depending on your location.
- Orders may come in multiple packages and may be delivered separately.
- All freight orders require a signature at time of delivery.
- All freight orders are delivered curbside.